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参数资料
型号： DS26503
英文描述： T1/E1/J1 BITS Element
中文描述： T1/E1/J1 BITS单元
文件页数： 36/123页
文件大小： 995K
代理商： DS26503
DS26503 T1/E1/J1 BITS Element
36 of 123
Bit 4-7/ Transmit Mode Configuration (TMODE[3:0]).
Used to select the operating mode of the transmit path for the
DS26503.
TMODE3
TMODE2
TMODE1
TMODE0
0
0
0
0
0
0
0
1
T1 ESF
(Note: In this mode the TFSE (T1TCR2.6) bit should be
Transmit Path Operating Mode
T1 D4
set = 0.)
J1 D4
J1 ESF
E1 FAS
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
1
1
1
0
0
1
1
0
0
0
1
0
0
1
0
0
1
0
1
0
1
0
1
E1 FAS + CAS
(Note 1)
Reserved
E1 CRC4
E1 CRC4 + CAS
(Note 1)
Reserved
E1 G.703 2048 kHz Synchronization Interface
Reserved
Reserved
6312kHz Synchronization Interface
(Note 2)
Reserved
Reserved
Note 1:
The DS26503 does not have an internal source for CAS signaling and multiframe alignment generation. CAS signaling, and the
multiframe alignment word, must be embedded in the transmit data (in the TS16 position) present on the TSER pin and frame
aligned to sync signal on the TS pin.
In addition to setting the TMODE bits to 6312kHz Synchronization Interface mode, the Transmit PLL must also be configured to
transmit a 6312kHz signal through the Transmit PLL Control Register (TPCR.6 and TPCR.7)
Note 2:
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
HW
Mode
For more information on all the bits in the Transmit PLL control register, refer to
Figure 3-3
.
Bit 0-1/Transmit Clock (TX CLOCK) Source Select (TCSS[1:0]).
These bits control the output of the TX PLL Clock Mux
function. See
Figure 3-3
.
Transmit Clock (TX CLOCK) Source
(See
Figure 3-3
)
0
0
The TCLK pin is the source of transmit clock.
0
1
The PLL_CLK is the source of transmit clock.
1
0
The scaled signal present at MCLK as the transmit clock.
1
1
The signal present at RCLK is the transmit clock.
Bit 2/Transmit PLL_CLK Source Select (TPLLSS).
Selects the reference signal for the TX PLL.
0 = Use the recovered network clock. This is the same clock available at the RCLK pin (output).
1 = Use the externally provided clock present at the TCLK pin.
TPCR
Transmit PLL Control Register
09h
7
6
5
4
3
2
1
0
TPLLOFS0
0
TPLLOFS1
0
PLLOS
0
TPLLIFS0
0
TPLLIFS1
0
TPLLSS
0
TCSS1
0
TCSS1
PIN 31
TCSS0
0
TCSS0
PIN 63
0
0
0
0
0
0
TCSS1
TCSS0
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相关代理商/技术参数
参数描述
DS26503_07 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:T1/E1/J1 BITS Element
DS26503DK 功能描述:时钟和定时器开发工具 DS26503 Dev Kit RoHS:否 制造商:Texas Instruments 产品:Evaluation Modules 类型:Clock Conditioners 工具用于评估:LMK04100B 频率:122.8 MHz 工作电源电压:3.3 V
DS26503L 功能描述:计时器和支持产品 E1-T1-J1 Bits Element RoHS:否 制造商:Micrel 类型:Standard 封装 / 箱体:SOT-23 内部定时器数量:1 电源电压-最大:18 V 电源电压-最小:2.7 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Reel
DS26503L+ 功能描述:计时器和支持产品 E1-T1-J1 Bits Element RoHS:否 制造商:Micrel 类型:Standard 封装 / 箱体:SOT-23 内部定时器数量:1 电源电压-最大:18 V 电源电压-最小:2.7 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Reel
DS26503LN 功能描述:计时器和支持产品 E1-T1-J1 Bits Element RoHS:否 制造商:Micrel 类型:Standard 封装 / 箱体:SOT-23 内部定时器数量:1 电源电压-最大:18 V 电源电压-最小:2.7 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Reel
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